EN ISO 22827-2-2005 en Acceptance tests for Nd YAG laser beam welding machines - Machines with optical fibre delivery - Part 2 Moving mechanism《Nd YAG激光射线焊接机器的加速试验 带光纤传送的机器 第2部分 移动.pdf

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1、BRITISH STANDARDBS EN ISO 22827-2:2005Acceptance tests for Nd:YAG laser beam welding machines Machines with optical fibre delivery Part 2: Moving mechanismThe European Standard EN ISO 22827-2:2005 has the status of a British StandardICS 25.160.30g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3

2、g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN ISO 22827-2:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2006 BSI 31 Jan

3、uary 2006ISBN 0 580 47332 5National forewordThis British Standard is the official English language version of EN ISO 22827-2:2005. It is identical with ISO 22827-2:2005.The UK participation in its preparation was entrusted to Technical Committee WEE/-/1, Briefing committee for welding, which has the

4、 responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled

5、 “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance wit

6、h a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related internationa

7、l and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to v, a blank page, pages 1 to 9 and a back cover.The BSI copyright notice displayed i

8、n this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 22827-2October 2005ICS 25.160.30English VersionAcceptance tests for Nd:YAG laser beam welding machines -Machines with optical fib

9、re delivery - Part 2: Moving mechanism(ISO 22827-2:2005)Essais de rception pour les machines de soudage parfaisceau laser Nd:YAG - Machines avec transport defaisceau par fibre optique - Partie 2: Mcanisme depositionnement (ISO 22827-2:2005)Abnahmeprfungen fr Nd:YAG-Laserstrahlschweimaschinen - Masch

10、inen mit Versorgungdurch Lichtleitfaser - Teil 2: MechanischeBewegungseinrichtung (ISO 22827-2:2005)This European Standard was approved by CEN on 26 September 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandar

11、d the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, Germ

12、an). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmar

13、k, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES

14、 KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 22827-2:2005: EForeword This document (EN ISO 22827-2:2005) has been prepared by Technical Committee I

15、SO/TC 44 “Welding and allied processes“ in collaboration with Technical Committee CEN/TC 121 “Welding“, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by Apr

16、il 2006, and conflicting national standards shall be withdrawn at the latest by April 2006. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denm

17、ark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 22827-2:2005 has been approved by CEN a

18、s EN ISO 22827-2:2005 without any modifications. EN ISO 22827-2:2005Reference numberISO 22827-2:2005(E)ISO 2005INTERNATIONAL STANDARD ISO22827-2First edition2005-10-15Acceptance tests for Nd:YAG laser beam welding machines Machines with optical fibre delivery Part 2: Moving mechanism Essais de rcept

19、ion pour les machines de soudage par faisceau laser Nd:YAG Machines avec transport de faisceau par fibre optique Partie 2: Mcanisme de positionnement EN ISO 22827-2:2005ii iiiContents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 2 4 Environmental co

20、nditions 2 5 Test of accuracy of the moving mechanism 2 5.1 Type 1 test . 2 5.2 Type 2 test . 4 6 Test report . 7 Annex A (informative) Example of a test report form . 8 Bibliography . 9 EN ISO 22827-2:2005iv Foreword ISO (the International Organization for Standardization) is a worldwide federation

21、 of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee.

22、International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance wit

23、h the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approv

24、al by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 22827-2 was prepared by Technical Commit

25、tee ISO/TC 44, Welding and allied processes, Subcommittee SC 10, Unification of requirements in the field of metal welding. ISO 22827 consists of the following parts, under the general title Acceptance tests for Nd:YAG laser beam welding machines Machines with optical fibre delivery: Part 1: Laser a

26、ssembly Part 2: Moving mechanism EN ISO 22827-2:2005vIntroduction Requests for official interpretations of any aspect of this part of ISO 22827 should be sent to the Secretariat of ISO/TC 44/SC 10 via the member body in the users country, a complete listing of which can be found at www.iso.org. EN I

27、SO 22827-2:2005blank1Acceptance tests for Nd:YAG laser beam welding machines Machines with optical fibre delivery Part 2: Moving mechanism 1 Scope This part of ISO 22827 covers acceptance testing of equipment for 2D manipulation and also, to some extent, movements along the Z-axis. NOTE Welding robo

28、ts and similar 3D equipment for manipulation are covered by other standards, notably ISO 9283. This part of ISO 22827 specifies two methods for the testing of the accuracy of the moving mechanism. The first method (type 1 test) provides a test method capable of classification of the moving mechanism

29、 rigorously according to the required accuracy. The second method (type 2 test) provides a simpler method for testing the moving mechanism by marking. The selection of the test method is optional. However, for large-size laser beam welding machines, such as a laser beam welding machine using 2D movi

30、ng optics or an X-Y table, the type 2 test is applicable. This part of ISO 22827 is not applicable for welding cells with manual positioning of the welding head and/or the component, and for fixed-position welding without the moving mechanism. The requirements can also be applied as a part of verifi

31、cation testing as part of maintenance, as appropriate. If modifications are made to a laser beam machine (rebuilding, repairs, modifications to the operating conditions, etc.) that have an effect on the acceptance testing, a repeat test may be necessary to cover the machine parameters affected by su

32、ch modifications. NOTE The beam generating system, the optical delivery system and the devices for shielding and assist gasses are covered in ISO 22827-1. This part of ISO 22827 can be applied to a part of the acceptance conditions for the delivery of the laser beam welding machine. 2 Normative refe

33、rences The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 230-2, Test code for machine tools Par

34、t 2: Determination of accuracy and repeatability of positioning numerically controlled axes ISO 15616-2:2003, Acceptance tests for CO2-laser beam machines for high quality welding and cutting Part 2: Measurement of static and dynamic accuracy ISO/TS 17477:2003, Acceptance tests for CO2-laser beam ma

35、chines for welding and cutting using 2D moving optics type EN ISO 22827-2:20052 3 Terms and definitions For the purposes of this document, the following terms and definitions apply: 3.1 positioning accuracy precision and repeatability of positioning of the part in motion (work piece, optics, etc.) a

36、long a translation or rotation axis NOTE The following characteristics can be distinguished in accordance with ISO 230-2: mean reversal value of an axis: arithmetic mean of the reversal values at all target positions along or around the axis; unidirectional and bidirectional repeatability of positio

37、ning of an axis: maximum value of the repeatability of positioning at any position along or around the axis and under the conditions specified in ISO 230-2; bidirectional accuracy of positioning of an axis: maximum difference between the extreme values of the positional deviations regardless of the

38、position and the direction of motion ISO 15616-2:2003. 3.2 trajectory accuracy trajectory deviation between the required path and the realised or marked path. 4 Environmental conditions Laser beam welding machines shall be installed in welding cells, also including equipment for manipulation of the

39、welding head and/or the component to be welded. 5 Test of accuracy of the moving mechanism 5.1 Type 1 test 5.1.1 Classification of the moving mechanism The moving mechanism for the laser beam welding system is classified as follows: A: Very high accuracy welding B: High accuracy welding C: Ordinary

40、welding D: Low accuracy welding The designation of the classes is arbitrary to some degree. Selection of the required class has to be done during production planning and the class specified in the welding-procedure specification. Detailed testing of the moving table or rotating fixtures shall be car

41、ried out either without a load or with a load (maximum load). When the moving system is provided with a beam-moving axis, this shall be tested. The positioning accuracy shall be measured in accordance with 5.1.2. The dynamic trajectory accuracy shall be measured in accordance with 5.1.3. EN ISO 2282

42、7-2:200535.1.2 Inspection of positioning accuracy The range of repeatability and positioning accuracy of the Nd:YAG laser beam welding machines shall be in accordance with Table 1, according to the classification of the moving mechanism. Testing shall be carried out at the maximum travelling speed s

43、pecified in the manufacturers specification for welding operations. The measured value of accuracy shall be within the range shown in Table 1. At least three measurements shall be taken and averaged. When the table length is in 1 m or longer, the positioning accuracy shall be measured at every 1 m i

44、n span of the movement. Inspection shall be carried out for the X-and Y-coordinates. Table 1 Range of repeatability and positioning accuracy Acceptance criteria for class Item A B C D Positioning repeatability unidirectional 0,01 mm 0,01 mm 0,02 mm 0,2 mm bidirectional 0,02 mm 0,04 mm 0,06 mm 0,4 mm

45、 Positioning accuracy 0,05 mm/m 0,1 mm/m 0,2 mm/m 0,4 mm/m The positioning accuracy shall be measured only after verifying that the travelling speed range is within the requirement shown in Table 2. The positioning accuracy and position repeatability shall be measured based on ISO 230-2 or ISO/TS 17

46、477. However, a simplified test method can be used if specified in the specification. The inspection shall include that of the working axis or rotating fixtures of the moving table under no load condition. Positioning accuracy of the optical axis of the moving beam shall be tested if the moving beam

47、 is used. The travelling speed accuracy shall be tested at maximum and minimum travelling speeds, as specified in the specification for welding operations. The measured values shall be within the range specified in Table 2. The manufacturers specification may include a preferred travelling speed for

48、 welding operations. The measured value of the preferred travelling speed shall be within the range specified in Table 2. Table 2 Range of travelling speed accuracy Acceptance criteria for class Item A B C D Maximum travel speed 2 % 2 % 4 % 10 % Minimum travel speed 5 % 5 % 10 % 10 % Preferred speed

49、 accuracy 1 % 1 % 2 % 5 % The passing points for speed measurements shall be marked in the equal-velocity running range within the maximum table size, and the time for passing the distance between the passing points shall be measured. 5.1.3 Inspection of trajectory accuracy The trajectory accuracy has to be measured in accordance with ISO 15616-2:2003, Clause 5, or measured as the deviation from intersection in accordance with ISO/TS 17477:2003, 5.2. The limits for the measured val

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